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Date:         Fri, 12 Oct 2007 16:26:55 -0400
Reply-To:     Mike Collum <collum@VERIZON.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Mike Collum <collum@VERIZON.NET>
Subject:      Re: Cooling Fan info discrepancies
Comments: To: dylan friedman <insyncro@YAHOO.COM>
In-Reply-To:  <353797.4516.qm@web52110.mail.re2.yahoo.com>
Content-type: text/plain; charset=ISO-8859-1; format=flowed

My '84s and my '85 have 2 speed fans and the air conditioning, for the early years, was installed at Point of Entry or at a Dealer. So, for the early wasserboxers ... 2 speed fans ... air conditioning or not.

Mike

dylan friedman wrote: > Do vans without AC have two speeds or just one? > > curious. > > dylan > > Kenneth Wilford <kenwilfy@COMCAST.NET> wrote: Ben, if you are getting both speeds by jumpering the connections at the > fan switch plug then your low speed resistor has to be fine. > > If the fan is coming on when you jumper it at the fan plug that means > that the fan itself and all of the wiring, relays, resistor, fuses are > good to go. The only thing that can keep it from coming on at this > point is the thermoswitch on the radiator. I would get a infrared heat > gun and start taking temperature readings. Is the radiator getting hot > enough for the thermoswitch to turn the fan on? If it is then the > thermoswitch must be having a problem. You should be able to measure > across the switch when the temperature is up to see if it completes the > circuit at the proper temperature (zero resistance with an ohm meter). > So your problem has to be right at the radiator, at the thermoswitch. > You can stop hunting further. Determine if it is reaching the proper > temperature and then go from there. > > Hope this helps, > Ken Wilford > John 3:16 > www.vanagain.com > > Ben Cichowski wrote: >> Hi All, >> >> Been reviewing archives for days in hopes of not pestering anyone about my >> cooling fan problems, but I'm running into a lot of conflicting info and >> want to trouble shoot possible reasons for my cooling fan not kicking on: >> >> This is for an '88 Vanagon Wolfburg Weekender >> >> Everything now heats properly (both sides of the radiator get properly hot, >> and the thermoswitch is new, so is the water pump, radiator, thermostat) - >> there were other problems before this one came up! >> >> Things that have been RULED OUT or, in some cases, replaced if found to be >> bad. (to save time on your responses) >> Radiator, Thermoswitch, Thermostat, Fuses, Water Pump, coolant level or >> quality, headgasket, cap on coolant tank, bubbles in coolant system (many >> good burping sessions with the front end WAY up and my prego wife at the RPM >> station). >> >> 1. I connected the slots on the 3-pin plug for the thermoswitch and I get >> both speeds to come on. Question: Does this test rule out problems with the >> resistor behind the headlight? - discrepancies in archives here >> >> 2. Could the relay under the dash be the cause of these problems? Some say >> that changing this worked for similar problems, others say that the relay >> could not possibly have anything to do with this. >> >> 3. I changed the ground connectors on the fan itself and behind the dash, >> but I'm still leaning towards this all being a problem with wiring. How the >> heck do you check for internal breaks in the wires given the length and >> tight location? Should I just change out all the wires and see if it works?? >> >> Thank you so much, I know you have all probably written too much on this >> already, I'm jus trying to sort through what information is correct. >> >> Cheers, >> Ben >> >> >


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